Hose apparatus with liquid mixing nozzle



Nov. 22, 1955 T. TARGOSH ETAL 2,724,583

HOSE APPARATUS WITH LIQUID MIXING NOZZLE Filed June 19, 1955 2Sheets-Sheet l 0 Tea Targosh 25 Les/w V. Anderson INVENITOR.

Nov. 22, 1955 TARGOSH ET AL 2,724,583

HOSE APPARATUS WITH LIQUID MIXING NOZZLE Filed June 19, 1955 2Sheets-Sheet 2 Fig. 7

- Ted Targosh R V 1 Les/fa MAna'erson i Q INVENTURS.

BY min nay E United States Patent() HOSE APPARATUS WITH LIQUID MIXINGNOZZLE Ted Targosh, Hamtramck, and Leslie V. Anderson,

7 Detroit, Mich.

I Application June19, 1953, Serial No. 362,786

4 Claims. (Ci. zen-1s :1 Ourinvention relates to hose apparatus andliquid mixing nozzles'therefor and is designed. as an improvement overthe valve controlled hose apparatus for mixing and discharging liquidsforming the subject matter of our abandoned application Serial No.357,734, filed May 27, 1953. t

The primary object of this invention is to provide hose apparatus forconnection to a primary liquid supply pressure source, suchas water, andto a secondary liquid supplying source and which embodies a mixing anddischarge nozzle especially designed for mixing the liquids thereinwhile aerating the same in the nozzle to effect a homogeneous mixture ofthe liquids.

Another object is to provide, in such apparatus means for connecting thenozzle directly to a portable secondary liquid supply source forcarrying of the same by a hand grasping the nozzle.

Another object is to provide in such apparatus means for connecting thenozzle to a separate secondary liquid supply source remote from thenozzle with the connecting means entering a primary liquid feed hoseintermediate the ends of said hose.

Still another object is to provide a spray nozzle for the apparatusembodying an aspirator mixing valve constructed and arranged for varyingat will the velocity and pressure of the liquids in the nozzle in ahighly efiicient manner by utilizing different portions of a venturitube.

Other and ancillary objects together with the precise nature of ourimprovements will become readily apparent when the succeedingdescription is read with reference to the accompanying drawings.

In the drawings:

Figure 1 is a view in side elevation partly broken away of a preferredembodiment of our apparatus;

Figure 2 is an enlarged fragmentary view in vertical longitudinalsection partly in elevation illustrating the nozzle and the means fordirectly connecting the secondary liquid supply source thereto;

Figure 3 is a view in transverse section taken on the line 3--3 ofFigure 2;

Figure 4 is a view in transverse section taken on the line 4-4 of Figure2;

Figure 5 is a view in transverse section taken on the line 5-5 of Figure2;

Figure 6 is a fragmentary view partly in longitudinal section and partlyin side elevation with parts broken away of a modified embodiment of theapparatus;

Figure 7 is an enlarged view in transverse section taken on the line7--7 of Figure 6, and

Figure 8 is an enlarged view in front end elevation of the nozzle of themodified embodiment.

Referring to the drawings by numerals, and first to Figures 1 to 5 ourimproved apparatus in the preferred embodiment comprises a liquid mixingspray nozzle 1 having a cylindrical body 3 and a front upwardly taperedspray discharge end 5 arcuate in cross-section, a primary liquid, orwater, feed hose 7 connected at one end by a conventional coupling 9 tothe rear end of the body 3 and provided on its other end with a coupling11 for attachment to a water pressure supply source such as a spigot 13,and means for connecting the body 3 to a liquid storage jar 15 forming asource of supply for a secondary liquid such as a detergent, said means,comprising a cap 17 welded, as at 19, onto the bottom of the body 3 andthreaded ontosaid jar as at 21.

The nozzle 1 embodies an aspirator mixing valve corn prising thefollowing. A venturi tube 25 is suitably fixed in he body 3 b twee th cp i 9 and f o t en 5 said tube being comparatively thick and flaringforwardly from a rearcnd throat 27. vThe. tube 25 is formed with a pairof front and rear, annular, peripheral suction grooves 29, 31thereinforwardly of the throat 27, and preferably V-shaped transversely,and with front and rear series of radial suction ports33, 35communicating the es r pecti 1y i th in eri r of he tube 25. A pair offront and rear air inlet ports 37, 39 of a size to be closed byplaeing afinger or the thumb of hand thereoverare provided in the top,preferably, of the body 3 and which open into the front and rear suc=tion grooves 39, 31;respectively. The suction grooves29, 31, ports 33,35 and ports 37, 39 may be .spacedlongitudinally of thetube 25 anysuitable distance,

. A nd y qui r t rgent, fccdpipe 41 extends up ard y ou o h ja 5 hroughui bl op ni gs 3, 45 n h ap 1.7 mi b 3 a n o t b t om o the rear suctiongroove 31, said pipe 41 having an upwardly opening ball check valve 47therein preventing back flow into said jar.

Referring now to the operation of the apparatus described in theforegoing, when both air inlet ports 37, 39 are open the velocity of theprimary liquid flowing under pressure through the nozzle is increased inthe venturi tube and air is induced into said tube through the suctiongrooves 29, 31 and the suction ports 33, 35 to aerate the liquid in saidtube. If the air inlet port 39 is closed by a finger or thumb suction iscreated. in the groove 31 sufiicient to draw secondary liquid up throughthe pipe 4 to be drawn into the venturi upstream of the throat 27 to mixwith the primary liquid and the mixture is aerated by air drawn into themixture through ports 37, 33. If port 37 is closed aeration occursthrough the port 39 ports 35 and groove 31 while the flow of secondaryliquid is stopped.

In the modified embodiment shown in Figures 6, 7 and 8 the body 48 ofthe nozzle 50 is cylindrical from end to end provided with filterscreens 52 in its front end and a fiared rubber tip 54. The nozzle 48embodies an aspirator mixing valve 56 like in the preferred embodiment.The primary liquid, or water, feed hose 58 is coupled to the rear end ofsaid body 48 by male and female coupling 60, 62 threaded together with asealing gasket 64 between the same.

A tubular adapter 66 is interposed in front and rear sections 68, 70 ofthe hose 58 the front section 68 being coupled to the front end of theadapter 66 by hose coupling 70 with a sealing gasket 72 therein and therear section being coupled to the rear end of the adapter 66 by a hosecoupling 74.

A right angled substanially smaller diameter adapter pipe 76 extendsradially into one side of the adapter 66 and forwardly coaxially out ofthe front end of the adapter and forms part of the adapter and also partof the means for connecting the nozzle 50 to the separate remote sourceof secondary liquid supply having in this instance the form of a storagetank 78 provided with a valved feed pipe 80 like pipe 41 extending outof the top thereof. The aforesaid connecting means further comprises aflexible hose section 82 substantially smaller in diameter than thefront hose section 68 and couplings 60, 62 and body 48 and which extendsforwardly in the same from the front end of the adapter pipe 76 and iscommunicated with the rearsuction groove 84 of the venturi tube 86 ofvalve56 by a short length of small pipe 88 extending rearwardly out ofsaid tube 86. A hose line 90 connects the pipe 80 to the rear lateralend of said pipe 76; v

The-operation of the modified embodiment is the same as described withreference to the preferred embodiment except that the secondary liquidis fed through the front hose section 6810 the rear suction groove 84and the filter screens 52 provide fora finer spray than in the preferredembodiment. As will be noted the described connecting means in themodified embodiment provides for connecting to the secondaryliquidsupp'ly'source at a point intermediate the ends of the primary liquidfeed hose 58.

; The foregoing and the accompanying drawings together with the claimsappended hereto will, it is believed, suflice to impart a clearunderstanding of our invention.

Manifestly the invention is susceptible of modification withoutdeparting from the inventive concept and right is herein reserved tosuch modifications asfall within the scope of the appended'claims.

What is claimed as new is as follows:

1. Apparatus for mixing and discharging a primary liquid and a secondaryliquid from a pressure supply source and a storage source, respectively,comprising a discharge nozzle having a tubular body with front and rearends, a venturi tube in said body flaring forwardly, conduit meansconnecting said rear end to said pressure supply source for flow of theprimary liquid through said tube, a pair of front and rear air inletports in said body one of which is adapted to be closed by a finger of ahand holding the nozzle, an annular peripheral ported groove in saidtube communicating with one inlet port and in which suction is createdby the flow of the primary liquid when said one inlet port is closed,pipe means connecting said storage source with said groove for feedingthe secondary liquid into the tube under suction to mix with the primaryliquid in the tube, and a second annular peripheral groove in said tubecommunicating with theo'ther inlet port to admit air under suction intosaid tube for aerating the mixture.

2. Apparatus according to claim 1, said front end of the body taperingupwardly aind forwardly and being arcuate in cross-section to form achoked spray'end on the nozzle.

3. Apparatus according to claim 1, said pipe means comprising a tubularadapter interposed in said conduit means and a secondary liquid feedline extending into said adapter and connected to said storage sourceand said first named groove respectively.

4. Apparatus according 0t claim 3, said secondary liquid feed lineincluding a right angled pipe extending into one side of said adapterand coaxially forwardly therein.

References Cited in the file of this patent UNITED STATES PATENTS

